198676 has 6 divisors (see below), whose sum is σ = 347690. Its totient is φ = 99336.

The previous prime is 198673. The next prime is 198689. The reversal of 198676 is 676891.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 76176 = 350^2 + 276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24831 + ... + 24838.

2¹⁹⁸⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

198676 is a deficient number, since it is larger than the sum of its proper divisors (149014).

198676 is a wasteful number, since it uses less digits than its factorization.

198676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49673 (or 49671 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 198676 is about 445.7308604977. The cubic root of 198676 is about 58.3510222999.

The spelling of 198676 in words is "one hundred ninety-eight thousand, six hundred seventy-six".